Computer Science Chapter 9: Introduction to Data Access – Class 12 Overview
Chapter 9, Introduction to Data Access, is an important topic in Class 12 Computer Science and is essential for students preparing for FSC board exams as well as competitive entry tests like NUST, FAST, ECAT, and NTS. This chapter introduces the basics of accessing data from databases, data access methods, and the role of database connectivity in applications. Understanding data access concepts helps students learn how information is retrieved, updated, and managed efficiently in computerized systems.
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19. The words used to write the statements of a program are called
4. When the result of the computation of two very small numbers is too small to be represented, this phenomenon is called:
2. Which of the following is a valid character constant?
is not a valid variable
10. The symbol = represents:
11. Which of the operator has lowest presidence
3. Which of the data type offers the highest precision?
20. elements of program in not token:
13. is valid variable name
18. a b is equivalent to
How many keywords are in C?
5. The predefined words of the programming language that are used for special purposes in the source program are called:
15. In C, the maximum length of variable name is:
1. Variables are created in
A quantity whose value cannot change during execution of
14. Which of the following characters cannot be used as first character of a variable name?
12. Relational operators are used to
16. C is a strongly typed language, this means that:
. A quantity whose value may change during execution of program is called:
17. The logical not (!) operator is denoted as:
Importance of Data Access for Exams
Strong knowledge of data access concepts improves logical understanding and practical awareness of database operations. Students can confidently attempt MCQs and theory-based questions related to data retrieval, database connectivity, and data management techniques. Regular practice ensures better preparation for both entry test questions and FSC board examinations.
PLS Academy Chapter-Wise Computer Science Preparation
PLS Academy provides chapter-wise preparation for Introduction to Data Access with clear explanations, exam-focused notes, and practice MCQs. With structured guidance and targeted practice, students can strengthen their understanding of data access concepts and achieve higher scores in entry tests and FSC board exams.
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